resize Bitmap - Android Graphics

Android examples for Graphics:Bitmap Resize

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Description

resize Bitmap

Demo Code


//package com.java2s;

import android.graphics.Bitmap;

import android.graphics.Matrix;

public class Main {
    public static Bitmap resizeBitmap(Bitmap bitmap) {
        int size = 100;
        int width = bitmap.getWidth();
        int height = bitmap.getHeight();

        float scale = 1;
        int startX = 0;
        int startY = 0;
        if (width > height) {
            scale = ((float) size / height);
            startX = (width - height) / 2;
            width = height;//from ww  w  . j  av a2 s.c o m
        } else {
            scale = ((float) size / width);
            startY = (height - width) / 2;
            height = width;
        }

        Matrix matrix = new Matrix();
        matrix.postScale(scale, scale);
        return Bitmap.createBitmap(bitmap, startX, startY, width, height,
                matrix, true);
    }
}

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